JPH0545887B2 - - Google Patents
Info
- Publication number
- JPH0545887B2 JPH0545887B2 JP12292287A JP12292287A JPH0545887B2 JP H0545887 B2 JPH0545887 B2 JP H0545887B2 JP 12292287 A JP12292287 A JP 12292287A JP 12292287 A JP12292287 A JP 12292287A JP H0545887 B2 JPH0545887 B2 JP H0545887B2
- Authority
- JP
- Japan
- Prior art keywords
- section
- voltage
- output
- microcomputer
- piezoelectric vibrator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000009499 grossing Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Washing And Drying Of Tableware (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12292287A JPS63286720A (ja) | 1987-05-20 | 1987-05-20 | 圧電振動子を用いた水位検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12292287A JPS63286720A (ja) | 1987-05-20 | 1987-05-20 | 圧電振動子を用いた水位検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63286720A JPS63286720A (ja) | 1988-11-24 |
| JPH0545887B2 true JPH0545887B2 (ko) | 1993-07-12 |
Family
ID=14847927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12292287A Granted JPS63286720A (ja) | 1987-05-20 | 1987-05-20 | 圧電振動子を用いた水位検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63286720A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002090900A1 (en) * | 2001-05-08 | 2002-11-14 | Nohken Inc. | Coil impedance detection method and object detection method and apparatus using the same |
-
1987
- 1987-05-20 JP JP12292287A patent/JPS63286720A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002090900A1 (en) * | 2001-05-08 | 2002-11-14 | Nohken Inc. | Coil impedance detection method and object detection method and apparatus using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63286720A (ja) | 1988-11-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |